Tail climbing frame structure for semitrailer

By designing a detachable reinforcing plate and anti-slip sleeve connection method, the problem of weakened strength and unstable climbing of the semi-trailer rear climbing frame structure was solved, realizing convenient replacement of the reinforcing plate and improved climbing safety.

CN224017152UActive Publication Date: 2026-03-20SHANXI CHUANGYI TRAILER MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The existing rear climbing frame structure for semi-trailers has a weak load-bearing structure and insufficient climbing stability, and the climbing area is small with no anti-slip structure.

Method used

A rear climbing frame structure for semi-trailers was designed, which uses detachable reinforcing plates and anti-slip sleeves. The reinforcing plates can be replaced and the anti-slip strips can be installed through fasteners, thereby increasing the climbing area and improving stability.

Benefits of technology

It enables convenient replacement of reinforcing plates and improves climbing safety, enhancing climbing stability and the durability of the load-bearing structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The tail climbing frame structure comprises an upper frame body and a lower frame body, the lower frame body is arranged at the bottom of the upper frame body, a penetrating hole is formed in the upper frame body, a reinforcing plate penetrates through the penetrating hole, the bottom of the reinforcing plate is connected with an inserting plate, an inserting groove is formed in the top of the lower frame body, and the inserting groove is connected with the inserting plate. The inserting plates are embedded in the inserting grooves, circular holes are formed in the upper frame body and the reinforcing plates, and fastening screws penetrate through the circular holes. According to the tail climbing frame structure for the semitrailer, the reinforcing plate penetrates through the interior of the upper frame body, after the reinforcing plate is damaged, a worker takes out a new reinforcing plate structure and installs the reinforcing plate structure in the frame body structure, and meanwhile, a fastener is taken out to connect and fix the reinforcing plate structure, so that the reinforcing plate structure with low strength is conveniently replaced during use, and the labor intensity of the worker is reduced. And the replacement operation is relatively simple.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of semi -trailer climbing frame, especially involves a tail climbing frame structure for semi -trailer. BACKGROUND

[0002] Tail climbing frame is a kind of auxiliary device installed in the tail of semi-trailer, mainly used for facilitating operator to get on and off the vehicle or to carry out cargo loading and unloading, its design usually combines anti-skid panel and support structure, climbing frame is usually composed of crossbeam, support and anti-skid panel, part adopts public character steel or H-shaped steel reinforcement to enhance the load-bearing capacity and torsional resistance, and realizes the double target of efficient operation and personnel safety in transportation.

[0003] The tail climbing frame structure for semi-trailer on the market has the following problems in application:

[0004] 1, the tail climbing frame structure for traditional semi-trailer is usually integrally fixed connection when in use, but the load-bearing structure of tail is weakened in strength due to long time use, and since no replaceable structure is installed, it is inconvenient to disassemble and replace the load-bearing part when in use.

[0005] 2, the tail climbing frame structure for most semi-trailer is usually assembled with vertical rod structure inside climbing frame structure when in application, and the climbing structure is not only small in stress area, but also without anti-skid structure, so the climbing stability is weak when in application. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a tail climbing frame structure for semi-trailer to solve the technical problems proposed in the background art.

[0007] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a tail climbing frame structure for semi-trailer, comprising upper frame body and lower frame body, the bottom of the upper frame body is provided with the lower frame body, the inside of the upper frame body is provided with a through hole, the inside of the through hole penetrates a reinforcing plate, the bottom of the reinforcing plate is connected with a plug-in plate, the top of the lower frame body is provided with a plug-in slot, the plug-in plate is embedded in the inside of the plug-in slot, the inside of the upper frame body and the reinforcing plate is provided with a circular hole, the inside of the circular hole penetrates a fastening screw, the outside of the fastening screw is threadedly connected with a nut, the outside of the fastening screw is sleeved with a gasket, and the bottom of the lower frame body is provided with an inclined support frame.

[0008] Preferably, the bottom of the lower frame body is connected with a climbing frame, the inside of the climbing frame is provided with a climbing plate, the outside of the climbing plate is sleeved with an anti-skid sleeve, and the outside of the anti-skid sleeve is provided with an anti-skid strip and an anti-skid block.

[0009] Preferably, the bottom of the upper frame body is provided with a reinforcing rib, the bottom of the reinforcing rib is connected with the lower frame body, and the inner side of the lower frame body is provided with a reinforcing plate.

[0010] Preferably, the side of the upper frame body and the lower frame body is provided with a mounting plate, and the inside of the mounting plate is provided with a mounting hole.

[0011] Preferably, the inner side of the climbing frame is provided with a strip-shaped plate, the side of the strip-shaped plate is connected with a climbing plate, and the outer side of the climbing plate is provided with a mounting seat.

[0012] Preferably, the inner side of the anti-skid sleeve is provided with a clamping groove, the side of the climbing plate is provided with a clamping block, and the clamping block is embedded in the inside of the clamping groove.

[0013] The tail climbing frame structure for a semitrailer has the following advantages:

[0014] 1. The tail climbing frame structure for a semitrailer, by penetrating the reinforcing plate in the inside of the upper frame body, penetrating the fastener in the inside of the reinforcing plate, and embedding the plug-in plate in the inside of the insertion groove, the reinforcing structure can be conveniently replaced, when the reinforcing plate is damaged, the staff takes out the new reinforcing plate structure, installs it in the frame structure, simultaneously takes out the fastener, connects and fixes it, so that the weak reinforcing plate structure can be conveniently replaced during use, and the replacement operation is also relatively simple.

[0015] 2. The tail climbing frame structure for a semitrailer, by installing the climbing plate in the inside of the climbing frame, and sleeving the anti-skid sleeve on the outside of the climbing plate, the anti-skid strip and the anti-skid block are arranged on the top of the anti-skid sleeve, so that the climbing is facilitated, before the staff climbs, the anti-skid structure is taken out and installed on the outside of the climbing plate, and when climbing, the contact area between the soles and the climbing plate is increased, so that the climbing is safer, and therefore the stability of the climbing is relatively high when applied. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 It is a whole structure schematic view of the present application;

[0018] Figure 2 It is an insertion groove structure schematic view of the present application;

[0019] Figure 3 It is a reinforcing plate structure schematic view of the present application;

[0020] Figure 4 It is the structure schematic drawing of the climbing board of the utility model.

[0021] Figure 5 It is the structure schematic drawing of the anti-skid sleeve of the utility model.

[0022] Marked explanation in the drawing: 1, upper frame body; 2, inclined bracing frame; 3, climbing frame; 4, perforation; 5, reinforcing plate; 6, plug-in plate; 7, plug-in slot; 8, fastening screw; 9, nut; 10, round hole; 11, gasket; 12, lower frame body; 13, reinforcing rib; 14, strip-shaped plate; 15, reinforcing plate; 16, climbing board; 17, anti-skid sleeve; 18, clamping block; 19, clamping slot; 20, anti-skid strip; 21, anti-skid block; 22, mounting seat; 23, mounting plate; 24, mounting hole. DETAILED DESCRIPTION

[0023] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0024] In the description of the embodiments of the utility model, it is understood that the orientation or positional relationship indicated by the terms "length", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the utility model.

[0025] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0026] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0027] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application. In addition, the embodiments of the present application can refer to the same reference numerals and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed.

[0028] In order to better understand the purpose, structure and function of the present application, the semi-trailer tail climbing frame structure of the present application will be further described in detail below in combination with the drawings.

[0029] As Figures 1-5 shown, the semi-trailer tail climbing frame structure of the present application includes an upper frame body 1 and a lower frame body 12, the bottom of the upper frame body 1 is provided with the lower frame body 12, the inside of the upper frame body 1 is provided with a through hole 4, the inside of the through hole 4 penetrates a reinforcing plate 5, the bottom of the reinforcing plate 5 is connected with a plug plate 6, the top of the lower frame body 12 is provided with a plug slot 7, the plug plate 6 is embedded in the inside of the plug slot 7, the inside of the upper frame body 1 and the inside of the reinforcing plate 15 are both provided with a circular hole 10, the inside of the circular hole 10 penetrates a fastening screw 8, the outside of the fastening screw 8 is threadedly connected with a nut 9, the outside of the fastening screw 8 is sleeved with a gasket 11, by penetrating the reinforcing plate 5 in the inside of the upper frame body 1, and penetrating the fastening member in the inside of the reinforcing plate 15, and embedding the plug plate 6 in the inside of the plug slot 7, when the reinforcing plate 15 is damaged, the staff takes out a new reinforcing plate 5 structure and installs it in the frame structure, and at the same time, the fastening member is taken out and connected and fixed, so that the weak reinforcing plate 5 structure can be replaced conveniently during use, and the bottom of the lower frame body 12 is provided with an inclined support frame 2, and since the inclined support frame 2 is installed, the connection strength of the frame structure and the mounting surface can be improved.

[0030] The bottom of the lower frame body 12 is connected with the climbing frame 3, the inside of the climbing frame 3 is provided with the climbing plate 16, the outside of the climbing plate 16 is sleeved with the anti-skid sleeve 17, the outside of the anti-skid sleeve 17 is provided with the anti-skid strips 20 and the anti-skid blocks 21, the inside of the climbing frame 3 is provided with the climbing plate 16, the outside of the climbing plate 16 is sleeved with the anti-skid sleeve 17, the top of the anti-skid sleeve 17 is provided with the anti-skid strips 20 and the anti-skid blocks 21, before the staff climbs, the anti-skid structure is taken out and installed outside the climbing plate 16, when climbing, the contact area between the soles and the climbing plate 16 is increased, so that the climbing is safer, and therefore the climbing stability is higher when applied.

[0031] The bottom of the upper frame body 1 is provided with the reinforcing rib 13, the bottom of the reinforcing rib 13 is connected with the lower frame body 12, the inside of the lower frame body 12 is provided with the reinforcing plate 15, because the reinforcing rib 13 is installed, the upper frame body 1 and the lower frame body 12 are conveniently connected and fixed.

[0032] The side surface of the upper frame body 1 and the lower frame body 12 is provided with the mounting plate 23, the inside of the mounting plate 23 is provided with the mounting hole 24, because the mounting hole 24 is provided, the fastener is conveniently penetrated through the inside of the mounting plate 23, and then the position is fixed.

[0033] The inside of the climbing frame 3 is provided with the strip-shaped plate 14, the side surface of the strip-shaped plate 14 is connected with the climbing plate 16, the outside of the climbing plate 16 is provided with the mounting seat 22, because the strip-shaped plate 14 is provided, the climbing plate 16 and the climbing frame are conveniently fixed and connected.

[0034] The inside of the anti-skid sleeve 17 is provided with the clamping groove 19, the side surface of the climbing plate 16 is provided with the clamping block 18, the clamping block 18 is embedded in the inside of the clamping groove 19, because the clamping block 18 and the clamping groove 19 are installed, the anti-skid sleeve 17 is conveniently installed outside the climbing plate 16.

[0035] The working principle of the tail climbing frame structure of the semitrailer is as follows: when the device is applied, firstly, the device body needs to be moved to a position, and then the device body is placed on a plane after being moved to a suitable position, and then the upper frame body 1 and the lower frame body 12 are spliced and fixed by the workers with fasteners. In order to facilitate the workers to climb to the top of the reinforcing plate 15, the structure for increasing the contact area is installed, the strip-shaped plate 14 is connected to the inner side of the climbing frame 3, the climbing plate 16 and the clamping block 18 are installed on the side of the strip-shaped plate 14, and the anti-skid sleeve 17 is sleeved outside the climbing plate 16. The inner side of the anti-skid sleeve 17 is provided with a clamping groove 19, and the top of the anti-skid sleeve 17 is provided with an anti-skid strip 20 and an anti-skid block 21. Before climbing, the workers take out the anti-skid structure, install the anti-skid sleeve 17 outside the climbing plate 16, and embed the clamping block 18 in the inner side of the clamping groove 19, so that the anti-skid structure can be installed outside the climbing plate 16. When climbing, the contact area between the soles and the climbing plate 16 is increased, so that the climbing is safer. When the anti-skid sleeve 17 is damaged, the workers can take out the new anti-skid sleeve 17 structure and reinstall it, then take out the fastener and penetrate the mounting plate 23 and the mounting seat 22, install the frame structure and the climbing frame 3 on the back of the semitrailer, and then take out the fastener and penetrate the inclined support frame 2. Secondly, when the reinforcing structure in the bearing frame is damaged, in order to facilitate the replacement of the reinforcing structure, the reinforcing plate 5 is penetrated in the inner side of the upper frame body 1, the fastener is penetrated in the inner side of the reinforcing plate 15, the plug-in plate 6 is arranged at the bottom of the reinforcing plate 15, and the plug-in plate 6 is embedded in the inner side of the plug-in groove 7. When the reinforcing plate 15 is damaged, the nut 9 outside the fastening threaded rod is unscrewed in reverse, the damaged reinforcing plate 15 is taken out, then the workers take out the new reinforcing plate 5 structure and install it in the frame structure, take out the fastening threaded rod and penetrate it through the circular hole 10 and the perforation 4, and screw the nut 9 outside to fix it. In this way, the weak reinforcing plate 5 structure can be replaced conveniently and simply during use.

[0036] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A rear climbing frame structure for a semi-trailer, comprising an upper frame (1) and a lower frame (12), wherein the lower frame (12) is provided at the bottom of the upper frame (1), characterized in that: The upper frame (1) has a through hole (4) inside, through which a reinforcing plate (5) passes. The bottom of the reinforcing plate (5) is connected to a plug plate (6). The top of the lower frame (12) has a slot (7) inside, and the plug plate (6) is embedded in the slot (7). The upper frame (1) and the reinforcing plate (15) both have circular holes (10) inside, through which a fastening screw (8) passes. The fastening screw (8) is connected to a nut (9) by its external thread, and a washer (11) is fitted to the outside of the fastening screw (8). The bottom of the lower frame (12) is fitted with a diagonal brace (2).

2. The semi-trailer rear climbing frame structure according to claim 1, characterized in that: The bottom of the lower frame (12) is connected to the climbing frame (3). The climbing frame (3) is provided with a climbing board (16) inside. The climbing board (16) is fitted with an anti-slip sleeve (17) on the outside. The anti-slip sleeve (17) is provided with an anti-slip strip (20) and an anti-slip block (21) on the outside.

3. The semi-trailer rear climbing frame structure according to claim 1, characterized in that: The bottom of the upper frame (1) is provided with a reinforcing rib (13), the bottom of the reinforcing rib (13) is connected to the lower frame (12), and the inner side of the lower frame (12) is provided with a reinforcing plate (15).

4. The semi-trailer rear climbing frame structure according to claim 1, characterized in that: The upper frame (1) and the lower frame (12) are provided with mounting plates (23) on their sides, and mounting holes (24) are opened inside the mounting plates (23).

5. The semi-trailer rear climbing frame structure according to claim 2, characterized in that: The climbing frame (3) has a strip plate (14) on its inner side, and the side of the strip plate (14) is connected to the climbing board (16). The climbing board (16) has a mounting base (22) on its outer side.

6. The semi-trailer rear climbing frame structure according to claim 5, characterized in that: The anti-slip sleeve (17) has a slot (19) on its inner side, and the climbing board (16) has a block (18) on its side, which is embedded in the slot (19).